Home / 5,971.41-8,240.49-3,318.77

Finding the Fourth Proportional to 5,971.41, 8,240.49 and 3,318.77

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Solution

The fourth proportional to 5,971.41, 8,240.49 and 3,318.77 is: 4,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.41 : 8,240.49 = 3,318.77 : x
  2. Step 2: Convert to fraction form
    5,971.41/8,240.49 = 3,318.77/x
  3. Step 3: Cross multiply
    5,971.41x = 8,240.49 × 3,318.77
  4. Step 4: Simplify right side
    5,971.41x = 27,348,249.79
  5. Step 5: Solve for x
    x = 27,348,249.79/5,971.41
  6. Step 6: Final answer
    x = 4,579.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.